1005202505 has 32 divisors (see below), whose sum is σ = 1302013440. Its totient is φ = 742659840.

The previous prime is 1005202493. The next prime is 1005202519. The reversal of 1005202505 is 5052025001.

It is not a de Polignac number, because 1005202505 - 2¹⁰ = 1005201481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910784 + ... + 911886.

It is an arithmetic number, because the mean of its divisors is an integer number (40687920).

Almost surely, 2^1005202505 is an apocalyptic number.

It is an amenable number.

1005202505 is a deficient number, since it is larger than the sum of its proper divisors (296810935).

1005202505 is a wasteful number, since it uses less digits than its factorization.

1005202505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1005202505 is about 31704.9287177877. The cubic root of 1005202505 is about 1001.7311696555.

Adding to 1005202505 its reverse (5052025001), we get a palindrome (6057227506).

The spelling of 1005202505 in words is "one billion, five million, two hundred two thousand, five hundred five".